package org.jpropelleralt.universe;

import org.jpropelleralt.box.Box;

/**
 * Contains a set of {@link Box}es that can reference
 * each other, but NOT {@link Box}es in any other {@link Universe}.
 * Manages references between {@link Box}es.
 */
public interface Universe {

	/**
	 * Get the internal features of {@link Universe}, for use
	 * by {@link Box}es
	 * @return	{@link UniverseInternal}
	 */
	public UniverseInternal internal();
	
}
